Combination furnace



Decyzl, H937., W. WALSH ET AL I 2,102,823?

COMBINATION FURNACE l, e4 3J 47 ML'ZQW m70 Dec,V 21 1937. `W. WALSH ETAn.

COMBINATION FURNACE Filed Aug. ll, 1936 3 Sheets-Sheet 2 v u #Y gmc/who@7m? We M L m W. WALSH ET AL COMBINATION FURNACE Filed Aug. ll, 1956 5Sheets-Sheet 5 Patented Dec. 21, 1937 COMBINATION FURNACE Walter Walshand Samuel' H. Forster, Me-

nomonie, Wis., assignors of one-half to said Walsh and one-half to saidForster Application August 11,

2 Claims.

One object of this invention is to provide a novel furnace in whichferrous metals or nonferrous metals may be melted. Another object of theinvention is to provide novel means for supporting the body of thefurnace for tilting movement to enable the molten metal to be pouredout, novel means being provided for holding the body of the furnacevertical when a pouring operation is not desired. Another object of theinvention is to supply novel means for applying heat to the substance tobe melted. A further object ofthe invention is to provide the body ofthe furnace with a removable tubular extension which is employed whenferrous -metals are being smelted, it being possible to remove theextension when its presence is not required.

It is within the province of the disclosure to improve generally and toenhance the utility of .devices of that type to which the presentinvention appertains.

With the above and other objects in view, which will appear as thedescription proceeds, the invention resides in the combination andarrangement of parts and in the details of construction hereinafterdescribed and claimed, it being understood that changes in the preciseembodiment of the invention herein disclosed, may be made within thescope of what is claimed, without departing from the spirit of theinvention.

In the drawings:

Fig. 1 Shows in side elevation, a device constructed in accordance withthe invention;

Fig; 2 is a top plan;

Fig. 3 is a vertical transverse section wherein parts remain inelevation;

Fig. 4 is a bottom plan;

Fig. 5 is a section at right angles to Fig. 3;

Fig. 6 is a view similar to Fig. 1 but showing the extension removedfrom the body of the furnace.

The numeral I marks a support, which may be of any desired kind. Thesupport I may comprise parallel sills 2 connected by cross ties 3, thesills carrying inverted V-shaped standards 4 provided at their upperends with bearings 5.

A tubular furnace body 6 is disposed between the standards 4. The body 6comprises a metal shell 1 having oppositely-disposed trunnions 8received in the bearings 5 of the standards. 4, the furnace body, thus,being mounted on the standards for swinging movement. The shell 'I ofthe Vbody 6 has a refractory lining 9.

An upper ring I is provided. In cross section, the upper ring IIJ is anangle member. The depending flange of the upper ring I0 extends aroundand is secured to theshell 1 of the body 6.

1936, Serial N0. 95,467

The horizontal inwardly extended flange of the l' fractory facing isecured to the upper surface of the disk. In the edges of the disk I4there are oppositely-disposed notches I6. The disk I4 is providedl withoppositely-disposed, depending cam lugs Il. Oppositely-disposed,depending and inwardly extended brackets I8 are secured to the lowerring II.

The facing I5 of the bottom I2 is received in the lower portion' of thelining 9 of the body 6, the inwardly extended parts of the brackets I3on the ring I I of the body 6 passing through the notches I6 of the diskI4, the disk I4 overlapping vthe lower end of the lining 9, as shown inFig. 5. The

bottom I2 is rotated, and, then, mutually inclined y edges I9 of the camlugs Il and the brackets I8 cooperate to force the disk I4 of the bottomI2 up tightly against the lower end of the lining 9 and against theinwardly projecting flange of the ring II, as shown in Fig. 3.

l The body 6 has an outwardly .projecting spout provided with arefractory lining 2 I, the spout communicating with a hole 22 in theside wall of the body 6, the hole being located immediately adjacent tothe upper surface of the lining I5 of the bottom I2. The body 5 has ahole 23 disposed oppositely to the hole 22 and at alittle greaterelevation than the hole 22. The hole 22r communicates with the neck 24of a blower 25. The neck 24 of the blower 25 is secured to the shell 1of the body 6. A fuel conduit-26 enters the neck 24 of the blower 25. Avalve 21, under the control of an operator, is interposed in, the fuelconduit 26, externally of the neck 24 of the blower 25. The fuel conduit26 carries a nozzle 28 of any desired kind, located in the hole 23 ofthe body 6 and discharging into the body.

The blower 25 is driven by a motor 29, which may have the usual rheostatcontrol (not shown) The blower 25 and the motor 29 are mounted on aplatform 30 connected at its inner end to the shell 'I of the body 6.The platform 3D is sustained by braces 3| joined at their inner ends tothe lower ring II of the body 6.

The shell 1 of the body 6 is supplied with sockets 32. The sockets 32are adapted to receive the inner end of a handle bar 33 which may beused to tilt the. body 6 in the direction of the arrow A in Fig. 1, sothat the molten material may rtm out of the spout 20.

A means is provided for preventing the body 6 from tilting in thedirection of the arrow B in Fig. 1. That means is an angle bracket 34,secured to the lower ring Il, and adapted to engage the outer edge ofone of the standards 4, as shown in Fig. 1.

A means is provided for preventing the body S from tilting in thedirection of the arrow A in Fig. 1, saving when the operator desire totiltV the body in that direction. This means is a latch bar 35 havingits inner end pivoted at 36 to the angle bracket 34. At its outer end,the latch bar 35 has seats 31 adapted to be engaged, one at a time, witha keeper 38 on one of the standards 4.

In practical operation, the parts are arranged as shown in Figs. 3 and1, and the body 6 is held upright by the engagement of the angle bracket34 with the corresponding standard 4, and be'- cause one of the seats 31of the latch bar 35 is engaged with the keeper 38 on the standard 4. Theblower 25, actuated by the motor 29, forces air through the neck 24 ofthe blower, into the body 6, the burning fuel being discharged throughthe nozzle 28 and the conduit 26, under the governance of the valve 21.

When it is desired to pour out the moltenV metal, the latch bar 35 isfreed from the keeper 38, and, then, the body 6 of the furnace can betilted by means of the handle 33, to enable the molten metal to run outof the spout 29.

When ferrous metals are to be smelted, recourse is had to a tubularextension 39, which is placed on the upper end of the body E. Thetubular extension 39 comprises a cylindrical metal shell 49, providedwith a refractory lining 4|. The shell 49 is supplied with sockets 48,which are oppositely disposed. Carrying'bars (not shown) may be insertedthrough the sockets 48 to permit the extension 39 to be placed readilyon the upper end of the body 6 and to enable the extension to be removedreadily from the body. The numeral 42 designates an upper ring, whichis, in cross section, an angle member. The depending flange of the upperring 42 surrounds and is secured to the shell 4|! of the extension39.The horizontal inwardly extended ange of the ring 42 partially overlapsthe upper end of the lining 4| of the extension 39. The numeral 43 marksa lower ring, which, preferably, is an angle member. The vertical flangeof the ring 42 surrounds and is secured to the shell 4l) of theextension 39.` The horizontal, inwardly extended flange of the ring 43extends part way across the lower end of the lining 4I of the extension39. The ring 43 of the extension rests on the ring Ill of the body, asshown in Fig. 5.

A means is provided for holding the extension 39 in place on the upperend of the body 6. With this end in View, the ring l0 of the body hasoppositely disposed pairs of ears '44 and in each pair of ears isjournaled the shaft 45 of a retainer 46 adapted to be received in anotched angle bracket 41 secured to the shell 40 of the extension 39, asshown in Fig. 5. A wing nut 49 is threaded on each retainer 43 and isadapted to bind on the outstanding portion of the angle bracket 41.

The structure is such that the extension 39 may be mounted on the upperend of the furnace body 6 when ferrous metals are to be smelted, theparts being shown in that relation in Figs. 3 and 5. If desired, andwhen non-ferrous metals are to` be smelted, the extension 39 may beremoved from the body 6 of the furnace, as shown in Fig. 6.

Having thus described the invention, what is claimed is:

1. In a device for smelting ferrous or nonferrous metals at the will ofan operator, a tubular furnace body, a tubular extension, means forsecuring the extension detachably on the upper end of the body, the bodyhaving an outlet spaced from the extension and constituting an egressmeans for molten metal when the extension is mounted on the body andwhenthe extensionris detached from the body, means associated solelywith the body for melting metal, a support, and mechanism carrieddirectly by the body and independently of the means for securing theextension'to the body, for mounting the body alone, or the body and theextension together. at the Will of an operator, for tilting movement onthe support.

2. In a device for smelting ferrous or non- WALTER WALSH. SAMUELY H.FORSTER.

